Troubleshooting Your Computer, Audio Problems | Compaq EH65V, EH63V

Troubleshooting and Maintenance

Troubleshooting Your Computer

Troubleshooting Your Computer

This section contains solutions to a many types of problems you might have with your computer. Try the solutions one at a time, in the order in which they are presented.

Here are some other sources of information for troubleshooting:

•Click Start, Help and Support, Fixing a Problem, and use the Windows troubleshooters.

•See the Microsoft Windows manual shipped with the computer.

•Find technical tips, troubleshooting guides, and software updates for the computer at the Compaq Consumer Support Web site (www.compaq.com/consumersupport).

•Test your computer by running the e-Diagtools test program—see “Testing the Hardware” on page 116.

•Contact your dealer or see “To get support or service” on page 126. Please have your computer with you when you call.

Audio Problems

If no sound is audible

•If your model has a volume control, press the back end of it several times.

•Click the speaker icon on the taskbar (if present), and make sure that Mute is not checked and the Volume Control slider is not set to the bottom. Or, if your model has an audio mute button, press it so the indicator light goes off.

•When you are operating your computer in MS-DOS mode (for example, when running MS-DOS games), you may find that the sound does not operate properly. Use Windows applications for full use of sound capabilities.

If sound does not record

•Plug in an external microphone. The computer does not have a built-in microphone.

•Check the software controls for recording sound: click Start, All Programs, Accessories, Multimedia (or Entertainment), Sound Recorder.

•In Volume Control, click Options, Properties, and make sure the microphone is enabled in the recording controls.

94 Reference Guide

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Compaq EH65V, EH63V manual Troubleshooting Your Computer, Audio Problems, If no sound is audible, If sound does not record

Contents

Compaq Notebook Series Reference Guide Reference Guide Meets the requirements of ACA Technical Standard TS008 Important Safety InformationSoftware Product License Agreement Reference Guide Reference Guide Contents Add-On Devices Batteries and Power ManagementModem and Network Connections Troubleshooting and Maintenance Index 157 Support and Service 125Reference Information 133 Getting Started with Your Notebook What’s in the box? Taking Inventory To find more information To buy accessories Front View Identifying Parts of the Computer Back View Bottom View Battery status Power modeStatus Lights Hard disk drive activity Identifying Parts of the Computer Install the battery Setting Up Your Computer To remove the battery Connect AC power Connect a phone line Hint Set up WindowsTurn on the computer What to do next To connect to the Internet Basic Operation To turn the computer on and off Operating Your Computer To reset the computer To use the touch pad To change the boot device Scrolling with the scroll pad Moving and selecting This hot key Does this To use the Fn hot keys To reprogram a One-Touch button To use the One-Touch buttons This key combination Does this To use the Windows and Applications keysTo use the embedded keypad Changing display settings To adjust the displayTo use the ALT GR key Changing the brightness Using an external monitor To adjust the volumeTo increase or decrease the volume To mute the audio Could stop responding and you could lose data Using CDs or DVDs To create or copy CDs To play DVD movies Bios Setup Utility To set up password protectionSecuring Your Computer Windows XP To attach a security cable To lock your computer To protect against viruses Disk drive To lock the hard disk drive To maintain your computer Taking Care of Your ComputerTo protect your hard disk drive To extend the life of the display To safeguard your data To clean your computer Batteries and Power Management Information that was not saved will be lost Managing Power ConsumptionHow the computer manages power automatically Managing CPU power Changing timeout settings and creating power schemesUnsaved data if the computer’s battery runs down completely Power mode Does this… Use when… To enter this mode… Standby To manage power manuallyHibernate Off To check battery status Using Battery Power To get the most from your batteries To respond to a low-battery warningTo recharge the battery Using Battery Power Modem and Network Connections Using the Modem To connect the modem Special restrictions in certain countries Signing up with an Internet Service ProviderConnecting to the Internet To dial in to a network To disconnect from the Internet To change your modem settings To start Outlook Express To send and receive e-mailTo send an e-mail message To receive e-mail messages To send and receive faxes To connect to a LAN Connecting to a LAN To prepare for connections Making Wireless Network ConnectionsConnecting to an Existing Wireless Network Creating a New Computer-to-Computer Network AdHoc Turning on communication and making a connection To turn wireless communication on and off Turning off communication and ending a connection Turning on Bluetooth communication Making Wireless Bluetooth ConnectionsTo turn Bluetooth communication on and off Turning off Bluetooth communication To prepare for Bluetooth connections Sending Outlook data to another Bluetooth device OPP To send or receive files using BluetoothSharing files with another Bluetooth device FTP To connect to a Bluetooth printer or serial device To make a dial-up connection via a Bluetooth phone Add-On Devices Inserting a PC Card Connecting PC CardsTo insert or remove a PC Card Lose data Removing a PC Card Locating connectors on the computer Connecting External DevicesTo identify connectors for external devices Locating connectors on the port replicator To connect a USB device To connect a printer or other parallel deviceTo connect an external keyboard or mouse To connect an audio device Switching the display to the external monitor Connecting an external monitorAdjusting monitor resolution and other settings To use an external monitor To connect a TV set Using dual display modeTo use a TV set as a monitor To connect a serial device To connect an Ieee 1394 deviceTo activate the TV display To play DVD movies on the TV To connect an infrared device Using the infrared portDisabling the infrared port Printing to an infrared printer To dock to the port replicator To use a port replicator Connecting External Devices To undock from the port replicator To install a RAM expansion module Installing Additional RAM To remove a RAM expansion module To replace the hard disk drive Replacing the Hard Disk Drive To replace the hard disk drive holder To prepare a new hard disk drive Troubleshooting and Maintenance Audio Problems Troubleshooting Your ComputerIf no sound is audible If sound does not record If you can’t boot from a CD or DVD in the CD/DVD drive CD-ROM and DVD ProblemsIf a DVD plays erratically If a DVD movie stops playing in the middle If the computer cannot read a CD or DVD If you get a Region Code error when playing a DVD movieIf a DVD movie doesn’t fill the screen If a DVD doesn’t play with two displays If the computer is on, but the screen is blank Display ProblemsIf the screen is difficult to read If an external display does not work If one or more display pixels look bad Hard Disk Drive ProblemsIf the computer’s hard drive doesn’t spin If the hard disk makes a buzzing or whining noise Infrared Problems Heat ProblemsIf you have problems with infrared communications If files are corrupted If the pointer is difficult to control Keyboard and Pointing Device ProblemsIf the touch pad doesn’t work If the touch pad moves the pointer or cursor while you type If you can’t type the euro symbol LAN ProblemsIf you can’t update or reinstall One-Touch software If the embedded numeric keypad doesn’t work Memory Problems If the modem seems slow Modem ProblemsIf the modem doesn’t dial or no dial tone is detected If the modem dials incorrectly If the modem isn’t detected If the modem dials but doesn’t connectIf the modem dials but you can’t hear it If the modem connects, but transferred data is bad PC Card Pcmcia Problems If an I/O card stops communicating properly Performance ProblemsIf a PC card modem is not working If the computer pauses or runs sluggishly If the operating system hangs when you dock or undock Port Replicator ProblemsIf the computer stops responding If a connection isn’t working If the battery doesn’t charge Power and Battery ProblemsIf the computer turns off immediately after it turns on If the computer keeps beeping If the computer doesn’t automatically hibernate as expected If the Time Remaining for the battery is not correctIf the computer doesn’t suspend to Standby mode as expected If a serial or parallel printer doesn’t print Printing ProblemsIf the left edge of printed output is missing If an infrared printer doesn’t print If a serial modem doesn’t work properly Serial, Parallel, and USB ProblemsIf a serial mouse doesn’t work If the computer doesn’t respond when you turn it on Startup ProblemsIf the computer won’t boot from battery power If the serial or parallel port is not working If the computer won’t boot from the floppy disk drive Wireless ProblemsIf the computer stops responding after booting If you have problems with wireless 802.11 communication If you can connect, but the network is slow If your computer cannot detect a certain Bluetooth device If your computer cannot detect any Bluetooth devices To run the e-Diagtools diagnostic test Testing the Hardware Testing the Hardware To run the Bios Setup utility Configuring the Computer Main Menu Setting Description Default Security Menu System Devices Menu Exit Menu Boot Menu To recover the factory installation of your hard disk Reinstalling and Updating Software PC Identification and Bios passwords To update the Bios To update Windows drivers Support and Service Getting Assistance for Your Computer To get support or serviceTo get help from the Web We will not be able to help with questions about Business Support Home Support To receive repair service To prepare your computer for shipment Limited Warranty Statement Product Duration of Limited Warranty Reference Information Hardware Specifications Bluetooth PAN Wireless LANKeyboard Pointing Devices Expandability Security FeaturesEnvironmental Limits Command Function Conexant AT Commands ConexantModem Reference Information Modem Reference Conexant G,h,i +GMI +MCR FAX Class ECC Commands AT* Commands Voice Commands Registers Conexant Register Function Conexant Range/units DefaultSelected Result Codes Conexant Code Meaning Country or Region Rated Voltage and Current Part Number Safety InformationPower Cords Ergonomics Battery Safety LED Safety Laser Safety Exposure to Radio Frequency Radiation Mercury Safety Connections to Peripheral Devices Regulatory Information Regulatory Information Declaration of Conformity U.S.A CanadaResponsible Party Trade name European Union Regulatory Information Japan Telecommunications Approval Japan Conexant AMC20493-KT5 Data Fax Modem PTC 211/02/071 New Zealand Russia International EMC Index Reference Guide QuickRestore System Recovery CD USB